B4 cityscapes mIoU is more that B5

[em1nat0r]

How's that possible i'm getting better mIoU result on B4 that B5 on Cityscapes validation dataset

!python tools/test.py local_configs/segformer/B4/segformer.b4.1024x1024.city.160k.py segformer.b4.1024x1024.city.160k.pth --eval mIoU cityscapes
classes IoU nIoU
road : 0.984 nan
sidewalk : 0.868 nan
building : 0.936 nan
wall : 0.691 nan
fence : 0.664 nan
pole : 0.696 nan
traffic light : 0.751 nan
traffic sign : 0.817 nan
vegetation : 0.932 nan
terrain : 0.676 nan
sky : 0.955 nan
person : 0.847 0.692
rider : 0.669 0.518
car : 0.957 0.887
truck : 0.905 0.513
bus : 0.915 0.737
train : 0.872 0.643
motorcycle : 0.738 0.548
bicycle : 0.800 0.650

Score Average : 0.825 0.649

!python tools/test.py local_configs/segformer/B5/segformer.b5.1024x1024.city.160k.py segformer.b5.1024x1024.city.160k.pth --eval mIoU cityscapes
classes IoU nIoU
road : 0.984 nan
sidewalk : 0.871 nan
building : 0.937 nan
wall : 0.695 nan
fence : 0.674 nan
pole : 0.695 nan
traffic light : 0.752 nan
traffic sign : 0.818 nan
vegetation : 0.931 nan
terrain : 0.667 nan
sky : 0.956 nan
person : 0.848 0.706
rider : 0.685 0.542
car : 0.955 0.889
truck : 0.862 0.482
bus : 0.920 0.731
train : 0.834 0.589
motorcycle : 0.739 0.554
bicycle : 0.800 0.653

Score Average : 0.822 0.643